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Yang T, Zhao S, Yuan Y, Zhao X, Bu F, Zhang Z, Li Q, Li Y, Wei Z, Sun X, Zhang Y, Xie J. Platycodonis Radix Alleviates LPS-Induced Lung Inflammation through Modulation of TRPA1 Channels. Molecules 2023; 28:5213. [PMID: 37446875 DOI: 10.3390/molecules28135213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 06/23/2023] [Accepted: 07/03/2023] [Indexed: 07/15/2023] Open
Abstract
Platycodonis Radix (PR), a widely consumed herbal food, and its bioactive constituents, platycodins, have therapeutic potential for lung inflammation. Transient Receptor Potential Ankyrin 1 (TRPA1), which is essential for the control of inflammation, may be involved in the development of inflammation in the lungs. The aim of this study was to determine the TRPA1-targeted effects of PR against pulmonary inflammation and to investigate the affinity of PR constituents for TRPA1 and their potential mechanisms of action. Using a C57BL/6J mouse lipopolysaccharides (LPS) intratracheal instillation pneumonia model and advanced analytical techniques (UPLC-Q-TOF-MS/MS, molecular docking, immuno-fluorescence), five platycodins were isolated from PR, and the interaction between these platycodins and hTRPA1 was verified. Additionally, we analyzed the impact of platycodins on LPS-induced TRPA1 expression and calcium influx in BEAS-2B cells. The results indicated that PR treatment significantly reduced the severity of LPS-triggered inflammation in the mouse model. Interestingly, there was a mild increase in the expression of TRPA1 caused by PR in healthy mice. Among five isolated platycodins identified in the PR extract, Platycodin D3 (PD3) showed the highest affinity for hTRPA1. The interaction between platycodins and TRPA1 was verified through molecular docking methods, highlighting the significance of the S5-S6 pore-forming loop in TRPA1 and the unique structural attributes of platycodins. Furthermore, PD3 significantly reduced LPS-induced TRPA1 expression and calcium ion influx in BEAS-2B cells, substantiating its own role as an effective TRPA1 modulator. In conclusion, PR and platycodins, especially PD3, show promise as potential lung inflammation therapeutics. Further research should explore the precise mechanisms by which platycodins modulate TRPA1 and their broader therapeutic potential.
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Affiliation(s)
- Tan Yang
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Shuang Zhao
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Yu Yuan
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xiaotong Zhao
- Department of Chemistry, Cleveland State University, Cleveland, OH 44115, USA
| | - Fanjie Bu
- College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, China
| | - Zhiyuan Zhang
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Qianqian Li
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Yaxin Li
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY 10065, USA
| | - Zilu Wei
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xiuyan Sun
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Yanqing Zhang
- College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, China
| | - Junbo Xie
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
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Hu Z, Zhang Y, Yu W, Li J, Yao J, Zhang J, Wang J, Wang C. Transient receptor potential ankyrin 1 (TRPA1) modulators: Recent update and future perspective. Eur J Med Chem 2023; 257:115392. [PMID: 37269667 DOI: 10.1016/j.ejmech.2023.115392] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 04/17/2023] [Accepted: 04/17/2023] [Indexed: 06/05/2023]
Abstract
The transient receptor potential ankyrin 1 (TRPA1) channel is a non-selective cation channel that senses irritant chemicals. Its activation is closely associated with pain, inflammation, and pruritus. TRPA1 antagonists are promising treatments for these diseases, and there has been a recent upsurge in their application to new areas such as cancer, asthma, and Alzheimer's disease. However, due to the generally disappointing performance of TRPA1 antagonists in clinical studies, scientists must pursue the development of antagonists with higher selectivity, metabolic stability, and solubility. Moreover, TRPA1 agonists provide a deeper understanding of activation mechanisms and aid in antagonist screening. Therefore, we summarize the TRPA1 antagonists and agonists developed in recent years, with a particular focus on structure-activity relationships (SARs) and pharmacological activity. In this perspective, we endeavor to keep abreast of cutting-edge ideas and provide inspiration for the development of more effective TRPA1-modulating drugs.
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Affiliation(s)
- Zelin Hu
- Department of Pulmonary and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; College of Life Sciences, Sichuan University, Chengdu, 610064, China
| | - Ya Zhang
- Department of Pulmonary and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; College of Life Sciences, Sichuan University, Chengdu, 610064, China
| | - Wenhan Yu
- College of Letters & Science, University of California, Berkeley, Berkeley, 94720, California, United States
| | - Junjie Li
- Department of Pulmonary and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Jiaqi Yao
- Department of Pulmonary and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; College of Life Sciences, Sichuan University, Chengdu, 610064, China
| | - Jifa Zhang
- Department of Pulmonary and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China; Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Jiaxing Wang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, 38163, Tennessee, United States
| | - Chengdi Wang
- Department of Pulmonary and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
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Tan B, Wu X, Yu J, Chen Z. The Role of Saponins in the Treatment of Neuropathic Pain. Molecules 2022; 27:molecules27123956. [PMID: 35745079 PMCID: PMC9227328 DOI: 10.3390/molecules27123956] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/17/2022] [Accepted: 06/17/2022] [Indexed: 11/16/2022] Open
Abstract
Neuropathic pain is a chronic pain caused by tissue injury or disease involving the somatosensory nervous system, which seriously affects the patient's body function and quality of life. At present, most clinical medications for the treatment of neuropathic pain, including antidepressants, antiepileptic drugs, or analgesics, often have limited efficacy and non-negligible side effects. As a bioactive and therapeutic component extracted from Chinese herbal medicine, the role of the effective compounds in the prevention and treatment of neuropathic pain have gradually become a research focus to explore new analgesics. Notably, saponins have shown analgesic effects in a large number of animal models. In this review, we summarized the most updated information of saponins, related to their analgesic effects in neuropathic pain, and the recent progress on the research of therapeutic targets and the potential mechanisms. Furthermore, we put up with some perspectives on future investigation to reveal the precise role of saponins in neuropathic pain.
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Affiliation(s)
- Bei Tan
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (B.T.); (X.W.); (J.Y.)
| | - Xueqing Wu
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (B.T.); (X.W.); (J.Y.)
| | - Jie Yu
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (B.T.); (X.W.); (J.Y.)
- School of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Zhong Chen
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (B.T.); (X.W.); (J.Y.)
- Correspondence: ; Tel.: +86-571-88208228
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Tian MM, Li YX, Liu S, Zhu CH, Lan XB, Du J, Ma L, Yang JM, Zheng P, Yu JQ, Liu N. Glycosides for Peripheral Neuropathic Pain: A Potential Medicinal Components. Molecules 2021; 27:255. [PMID: 35011486 PMCID: PMC8746348 DOI: 10.3390/molecules27010255] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 11/29/2021] [Accepted: 12/24/2021] [Indexed: 12/29/2022] Open
Abstract
Neuropathic pain is a refractory disease that occurs across the world and pharmacotherapy has limited efficacy and/or safety. This disease imposes a significant burden on both the somatic and mental health of patients; indeed, some patients have referred to neuropathic pain as being 'worse than death'. The pharmacological agents that are used to treat neuropathic pain at present can produce mild effects in certain patients, and induce many adverse reactions, such as sedation, dizziness, vomiting, and peripheral oedema. Therefore, there is an urgent need to discover novel drugs that are safer and more effective. Natural compounds from medical plants have become potential sources of analgesics, and evidence has shown that glycosides alleviated neuropathic pain via regulating oxidative stress, transcriptional regulation, ion channels, membrane receptors and so on. In this review, we summarize the epidemiology of neuropathic pain and the existing therapeutic drugs used for disease prevention and treatment. We also demonstrate how glycosides exhibit an antinociceptive effect on neuropathic pain in laboratory research and describe the antinociceptive mechanisms involved to facilitate the discovery of new drugs to improve the quality of life of patients experiencing neuropathic pain.
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Affiliation(s)
- Miao-Miao Tian
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Yu-Xiang Li
- College of Nursing, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China;
| | - Shan Liu
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Chun-Hao Zhu
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Xiao-Bing Lan
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Juan Du
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Lin Ma
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Jia-Mei Yang
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Ping Zheng
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Jian-Qiang Yu
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
- Ningxia Special Traditional Medicine Modern Engineering Research Center and Collaborative Innovation Center, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China
| | - Ning Liu
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
- Ningxia Special Traditional Medicine Modern Engineering Research Center and Collaborative Innovation Center, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China
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Yang B, Ma S, Zhang C, Sun J, Zhang D, Chang S, Lin Y, Zhao G. Higenamine Attenuates Neuropathic Pain by Inhibition of NOX2/ROS/TRP/P38 Mitogen-Activated Protein Kinase/NF-ĸB Signaling Pathway. Front Pharmacol 2021; 12:716684. [PMID: 34630095 PMCID: PMC8497786 DOI: 10.3389/fphar.2021.716684] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Accepted: 09/02/2021] [Indexed: 01/12/2023] Open
Abstract
Oxidative stress damage is known as one of the important factors that induce neuropathic pain (NP). Using antioxidant therapy usually achieves an obvious curative effect and alleviates NP. Previous pharmacological studies have shown that higenamine (Hig) performs to be antioxidant and anti-inflammatory. However, the protective effect and mechanism of Hig on NP are still unclear. This study mainly evaluated the changes in reactive oxygen species (ROS) level, lipid peroxidation, and antioxidant system composed of superoxide dismutase (SOD) and glutathione (GSH) through chronic constrict injury (CCI) model rats and t-BHP-induced Schwann cell (SC) oxidative stress model. The expressions of two inflammatory factors, tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6), were also assessed. The possible molecular mechanism of Hig in the treatment of NP was explored in conjunction with the expression of mitochondrial apoptosis pathway and NOX2/ROS/TRP/P38 mitogen-activated protein kinase (MAPK)/NF-ĸB pathway-related indicators. Hig showed substantial antioxidant and anti-inflammatory properties both in vivo and in vitro. Hig significantly reduced the upregulated levels of ROS, malondialdehyde (MDA), TNF-α, and IL-6 and increased the levels of SOD and GSH, which rebalanced the redox system and improved the survival rate of cells. In the animal behavioral test, it was also observed that Hig relieved the CCI-induced pain, indicating that Hig had a pain relief effect. Our research results suggested that Hig improved NP-induced oxidative stress injury, inflammation, and apoptosis, and this neuroprotective effect may be related to the NOX2/ROS/TRP/P38 MAPK/NF-ĸB signaling pathway.
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Affiliation(s)
- Bing Yang
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Shengsuo Ma
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Chunlan Zhang
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Jianxin Sun
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Di Zhang
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Shiquan Chang
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Yi Lin
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Guoping Zhao
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
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Choi H, Oh C, Hyun J, Yang J, Song MJ, Lee HS, Lee YJ. Triterpene Glycosides Isolated from the Edible Sea Cucumber Bohadschia vitiensis and Their Antagonistic Activity against Transient Receptor Potential Ankyrin 1. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:5349-5355. [PMID: 32324385 DOI: 10.1021/acs.jafc.0c00847] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Transient receptor potential ankyrin 1 (TRPA1) is a cation channel that plays a critical role in the occurrence and transmission of pain. By screening 393 marine invertebrate extracts for their antagonistic activity against TRPA1, it was found that the extract of the edible sea cucumber Bohadschia vitiensis had a remarkable potency. Bioassay-guided separation of the extract resulted in the isolation of six triterpene glycosides, including a novel analog. All six isolated compounds exhibited high inhibitory potency against TRPA1 (IC50 values ranging from 0.60 to 3.26 μM), which is comparable to that of a previously developed synthetic antagonist (A-967079). The discovery of TRPA1 antagonists, originated from this edible sea cucumber, opens the door for the elaboration of the valuable triterpene scaffold for the development of novel safe analgesics.
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Affiliation(s)
- Hansol Choi
- Marine Natural Products Chemistry Laboratory, Korea Institute of Ocean Science and Technology, 385 Haeyangro, Busan 49111, Republic of Korea
| | - Chulhong Oh
- Jeju Marine Research Center, Korea Institute of Ocean Science and Technology, 2670 Iljudong-ro, Gujwa-eup, Jeju 63349, Republic of Korea
| | - JeongMi Hyun
- Gyeonggido Business and Science Accelerator, 107 Gwanggyoro, Suwon 16229, Republic of Korea
| | - Jeungeun Yang
- Gyeonggido Business and Science Accelerator, 107 Gwanggyoro, Suwon 16229, Republic of Korea
| | - Myung Jin Song
- Gyeonggido Business and Science Accelerator, 107 Gwanggyoro, Suwon 16229, Republic of Korea
| | - Hyi-Seung Lee
- Marine Natural Products Chemistry Laboratory, Korea Institute of Ocean Science and Technology, 385 Haeyangro, Busan 49111, Republic of Korea
| | - Yeon-Ju Lee
- Marine Natural Products Chemistry Laboratory, Korea Institute of Ocean Science and Technology, 385 Haeyangro, Busan 49111, Republic of Korea
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